Question

38. I think of a decimal number. Add 3.4 to it. Subtract
2.5 from the sum obtained. Multiply the result obtained
by 3, I get 9 as the answer. Find the decimal number.
(A) 0.21
(C) 21.0

(B) 2.1
(D) 0.12

Answer 1

Answer:

9/3=3

3+2.5=5.5

5.5-3.4=2.1